<template>
	<div >
		<h1>当前求和为:{{$store.state.sum}}</h1>
		<!-- 强制网number转换 -->
		<select v-model.number="n">
			<!-- 加了: 之后变成js表达式，解析后就是纯粹的数字 -->
			<option value="1">1</option>
			<option value="2">2</option>
			<option value="3">3</option>
		</select>
		<button type="button" @click='increment'>+</button>
		<button type="button" @click='decrement'>-</button>
		<button type="button" @click='incrementOdd'>当前求和为奇数再加</button>
		<button type="button" @click='incrementWait'>等一等再加</button>
	</div>
</template>

<script>
	export default{
		name:'Count',
		data(){
			return{
				// 用户选择数字
				n:1,
			}
		},
		methods:{
			increment(){
				this.$store.commit('JIA',this.n)
			},
			decrement(){
				this.$store.commit('JIAN',this.n)
			},
			incrementOdd(){
				this.$store.dispatch('jiaOdd',this.n)
			},
			incrementWait(){
				this.$store.dispatch('jiaWait',this.n)
			},
		},
		mounted(){
			// console.info('Count',this)
		}
	}
</script>

<style scoped>
	button{
		margin-left: 10px;
	}
</style>
